A254164 Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

76832, 1078032, 15016048, 191190272, 2437141776, 31143715804, 399587109728, 5135066242396, 66055387860800, 850097997207468, 10942233760318624, 140853914363177740, 1813183596341937088, 23340859396990897980

Offset: 1

Author

R. H. Hardin, Jan 26 2015

Keywords

• nonn

Comments

Column 4 of A254168

Examples

			Some solutions for n=1
..1..1..1..0..0..0....0..0..0..0..0..0....0..0..1..0..1..0....1..0..0..0..0..0
..1..0..0..0..0..0....0..0..0..1..1..0....1..1..0..1..0..0....0..1..1..0..1..0
..1..0..1..1..1..1....1..1..0..0..0..0....1..0..0..0..0..0....1..0..0..0..1..0
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210